3427541

Information

• Patent Grant
• 3427541

• References
• Source

• Patent Number

  3,427,541

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1969
  56 years ago

• CPC

  • H01J31/121 - tubes for oscillography
  • G01R13/30 - Circuits for inserting reference markers

• US Classifications

  • 324 - Electricity: measuring and testing
  • 315 - Electric lamp and discharge devices: systems